Learners study the classification of viruses and describe their structure.  In this investigative instructional activity students complete an activity and answer questions about viruses. 

Describes the characteristics of the unicellular prokaryotes in the kingdom Monera and the different phyla within this kingdom. Includes a list of examples.

Describes the characteristics of the five kingdoms of living things - Monera, Protista, Fungi, Plantae, and Animalia.

The highest category of taxonomic classification is the kingdom. This website from Palomar College presents the five kingdoms in an easy-to-read chart and discusses the Animalia and Plantae kingdoms in depth. After reading through the...

Between 1866 and 1977, a total of four new kingdoms were added to the original plant and animal kingdoms identified by Linnaeus. The new kingdoms include Protista (protists), Fungi, Monera (eubacteria), and Archaea (archaebacteria)....

Detailed information about each of the five kingdoms. Each kingdom is separately described, but information is also summarized in a table.

This site provides an introduction to bacteria and examines fossil records, life history and ecology, systematics, and morphology.

This unit will describe the five kingdoms and their main characteristics. It includes 20 interactive activities.

In this online biology textbook, learn about the two prokaryotic domains of life, which include eubacteria and acrhaebacteria.

Take an interactive quiz over bacteria. After completing the quiz, check your score, and then revisit any incorrect question for further review.

Learn about different forms of life that coexist with us on Earth. This Berkeley article provides links to brief write-ups on the three domains of living organisms: Eukaryota, Bacteria, and Archaea.

This site is a description of the history behind the 5 Kingdom system suggested by Robert Whittaker. An extensive list of resources is included.